Change status to ORDERED when confirm a pre sale.

Changing the status to ORDERED will make it easyer to differentiate sales
that are still quotes from sales that the client already ordered, but cannot
be confirmed yet.
- Added tests

Change-Id: I4a0a783db3cf1cd9358054bc3fc9cd2abd3ec200
Fixes: http://bugs.async.com.br/show_bug.cgi?id=5611